Perhaps you should try some spelling variations:
wang yang » wang yan, wang liang, wang yanling
gain sang » shin sang, gain sharing
yang jui » yang judy, yang di, yang xi
yang yue » wang yue, yang yun, yang yi
sang kyu » sang yu, sang hyup, jung kyu
kyu song » kyu sung, hyun song, kim song
song shu » cong shu, song shin, tong shui

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: ((wang hyoung) OR (wang yang)) ((yang jui) OR (yang yue)) gain sang kyu song shu ;~.
• Adding a wildcard symbol may retrieve word variants: ((wang hyoung) or (wang yang)) ((yang jui) or (yang yue)) gain sang kyu song shu ;*.